What is 6829 km expressed in scientific notation? a. 6.829 × 100 km b. 6.829 × 103 km c. 6.829 × 102 km d. 6.829 × 10-3 km

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Lewis structure and molecular geometry for nh2cl

How many neutrons does an element have if its atomic number is 50 and its mass number is 166